Analysis
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max time kernel
147s -
max time network
137s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/03/2024, 11:36
Static task
static1
Behavioral task
behavioral1
Sample
ff576bc35cf98eee07585ae5b7c88efc.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
ff576bc35cf98eee07585ae5b7c88efc.exe
Resource
win10v2004-20240226-en
General
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Target
ff576bc35cf98eee07585ae5b7c88efc.exe
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Size
2.0MB
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MD5
ff576bc35cf98eee07585ae5b7c88efc
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SHA1
df8c450c6966db774d06ab8d2feeb97374cda260
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SHA256
5efbaefdce3a26480ee245f904a49ea2b7a1edc0a48934bd94dd8a74d3b724c3
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SHA512
a5303ab816eb67f3d517757d07fc8cd1b8a2e6bd4869ca9744405c9ea75c95f5f058301a9ce7ebf99e407504a51d6c879b06018f44dfde24b38d3c1eed815317
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SSDEEP
49152:32pu+svTDBZMqdkzssuHTSJf20pom5PRXLFzGHWkme7D:mpfMTDBmeUss8TS52teJXc2kmc
Malware Config
Extracted
socks5systemz
http://bhevbbv.com/search/?q=67e28dd83d5fa62d1358fa4d7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978ff71ea771795af8e05c644db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a668ff612c8ec92
Signatures
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Detect Socks5Systemz Payload 2 IoCs
resource yara_rule behavioral1/memory/936-76-0x0000000002640000-0x00000000026E2000-memory.dmp family_socks5systemz behavioral1/memory/936-88-0x0000000002640000-0x00000000026E2000-memory.dmp family_socks5systemz -
Socks5Systemz
Socks5Systemz is a botnet written in C++.
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Executes dropped EXE 3 IoCs
pid Process 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 2736 colorpicker.exe 936 colorpicker.exe -
Loads dropped DLL 5 IoCs
pid Process 2884 ff576bc35cf98eee07585ae5b7c88efc.exe 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 45.155.250.90 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2884 wrote to memory of 2504 2884 ff576bc35cf98eee07585ae5b7c88efc.exe 28 PID 2884 wrote to memory of 2504 2884 ff576bc35cf98eee07585ae5b7c88efc.exe 28 PID 2884 wrote to memory of 2504 2884 ff576bc35cf98eee07585ae5b7c88efc.exe 28 PID 2884 wrote to memory of 2504 2884 ff576bc35cf98eee07585ae5b7c88efc.exe 28 PID 2884 wrote to memory of 2504 2884 ff576bc35cf98eee07585ae5b7c88efc.exe 28 PID 2884 wrote to memory of 2504 2884 ff576bc35cf98eee07585ae5b7c88efc.exe 28 PID 2884 wrote to memory of 2504 2884 ff576bc35cf98eee07585ae5b7c88efc.exe 28 PID 2504 wrote to memory of 2736 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 29 PID 2504 wrote to memory of 2736 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 29 PID 2504 wrote to memory of 2736 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 29 PID 2504 wrote to memory of 2736 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 29 PID 2504 wrote to memory of 936 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 30 PID 2504 wrote to memory of 936 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 30 PID 2504 wrote to memory of 936 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 30 PID 2504 wrote to memory of 936 2504 ff576bc35cf98eee07585ae5b7c88efc.tmp 30
Processes
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C:\Users\Admin\AppData\Local\Temp\ff576bc35cf98eee07585ae5b7c88efc.exe"C:\Users\Admin\AppData\Local\Temp\ff576bc35cf98eee07585ae5b7c88efc.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2884 -
C:\Users\Admin\AppData\Local\Temp\is-T4GV8.tmp\ff576bc35cf98eee07585ae5b7c88efc.tmp"C:\Users\Admin\AppData\Local\Temp\is-T4GV8.tmp\ff576bc35cf98eee07585ae5b7c88efc.tmp" /SL5="$7011E,1756523,54272,C:\Users\Admin\AppData\Local\Temp\ff576bc35cf98eee07585ae5b7c88efc.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -i3⤵
- Executes dropped EXE
PID:2736
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C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe"C:\Users\Admin\AppData\Local\Color Picker\colorpicker.exe" -s3⤵
- Executes dropped EXE
PID:936
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
839KB
MD5465ddd2be94c21ab8c808a852b89ad60
SHA108384f40ae64eefba63ed1277e0fec0134df3d4b
SHA256db76201a88f09274a2777291ec4821669e3e939a84bfec8d6903316ddb4cd104
SHA5128fdae657e14a56448d3be1807b8c7d9dd8b7b83fec657c1b8177ae1c03ccf53ad34098686a77cb4fd7611db1267b87b19343580a2203bf31feea75f77fbfa2ba
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Filesize
2.1MB
MD577c8e87124cd5534656bf23a7bc21509
SHA11531df44ea2092e5e0f89a12a3e77a19400d9451
SHA256c12f75445e83c4dbe480cc92afc4bdd584f6489811b78f7041fb6fd06488a7aa
SHA5127389ddaa558867edf903b3e81bc432833dc055324a52f3e56638ac6fee1834b557a5e2b96266c9ed7f969dd7f51a6b6dc820b5b1f58b88a0972f7192647224e7
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Filesize
1.0MB
MD58bf138c23122a884c09a0d656d10061d
SHA1351cbfedab6d31a066bd86fe6b996a281d29e076
SHA2561a0b031e4ec7a6d4aad673c2728b4550bdd476aa07a3d9f3df9bc6d5afe82d68
SHA5120e3844b87bdccc98942edc8bfb95685507ac8aeb9610177b9c190d14ea01e7eccf0227e09f1c9ff27b6c82da3d995fe891212e0662d5976197958627e097eac8
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
22KB
MD592dc6ef532fbb4a5c3201469a5b5eb63
SHA13e89ff837147c16b4e41c30d6c796374e0b8e62c
SHA2569884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87
SHA5129908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3
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Filesize
677KB
MD592f7775908bb12183914bb0753782913
SHA18d1091da36832942d48f2fe9a1a216fdd556b9c4
SHA256a43c4e3916a92d299c22e2010383b2a8f85e14882a610de57bb2fef91f7984ed
SHA5127e39cafdc00a46f2353f6eeaa8fee0d7c94f489d1fd4581e125408bae63a2e6cd135f65807c3574c833f970b64106badb7dd0a2a6ee9859b3b60b3d1b6e19c39